ぴしゃり

adverb, adverb taking the 'to' particle

with a slap; with a splash; with a bang; flatly

Onomatopoeic adverb describing a sharp, decisive sound or action: a slap, splash, door slamming shut, or a flat refusal. Often used with と.

• 彼かれは机つくえをぴしゃりと叩たたいた。